Generally speaking, almost everyone can play under rotation. However how to play without being noticed may
be not an easy job. Efficiency is the most important, of course.

While playing no n- rotation, only if we can keep position, action, speed, placement in accordance with
that of rotation, it is possible to confuse the opposite side. As to position and placement, the problem is easy
to solve, whereas it is quite difficult to deal with action and speed（try one’s best to keep the arc consistent）.
In terms of action, the more similar, the more effective, which is at least one of the basic principles. It is actually
obvious to just hit the ball from different angle, isn ’ t it?

First, before connecting rotation with non-rotation, playing under rotation well is the most basic that need to be
done. Otherwise it is in vain at last.

Second, while practicing non-rotation, one should use the upper part of a bat to block the ball. Besides adding
certain friction is of great use, which can prevent
the ball from rotating when it reaches the table of the other side. Practice like this makes one more and more familiar
with the characteristics of non-rotation. Certainly using the lower part adds more confusion. While practicing under
rotation, it is effective to hold up the bat at the point of reaching the ball and return to where and how it was
once the ball is away. Being quick is a must. What ’ s more, practice repeatedly. We can also do ulterior action to
keep under rotation with certain angle（directing to wards either the right or the left is effective）. The bigger the
angle is, the more difficult it is to make the ball rotate. Transforming action at the point of hitting the
ball is key to succeed in confusing your opponent.

Finally, it is necessary to emphasize that non-rotation must cooperate with rotation, which enhance execution.